I don't plan on getting myself infected, so I don't have a need for it.

[Hector's... not sure what to do with gratitude, so he shrugs it off. It's not like he's going out of his way to help the people here. He made the medicine to study it, and now he's handing it off to an acquaintance.]

Be careful. You can never know what people will do if they're frightened.